Bicycle basket supporting bracket



FIG. 1 is a front perspective view of a bicycle basket supporting bracket showing my design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a front elevational view thereof.

FIG. 5 is a right elevational view thereof;

FIG. 6 is a left elevational view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof. 

The ornamental design for a bicycle basket supporting bracket, as shown and described. 